• Servings: 18 servings
• Preparation Time: 30 minutes
• 1/2 cup sugar
• 3 tablespoons canola oil
• 1 egg
• 1 cup all-purpose flour
• 1/4 cup baking cocoa
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 2 tablespoons fat-free milk
• FILLING:
• 2 tablespoons butter, softened
• 1-1/3 cups confectioners' sugar
• 1/8 teaspoon mint extract
• 4 drops green food coloring, optional
• 4 teaspoons fat-free milk

1. In a large bowl, beat sugar and oil until crumbly. Add egg; beat for 1 minute.
3. Combine the flour, cocoa, baking soda and salt. Gradually beat into sugar mixture. Add milk and mix well. (Dough will be sticky.) With lightly floured hands, roll dough into 3/4-in. balls.
5. Place 2 in. apart on baking sheets coated with cooking spray.
7. Flatten slightly with a glass coated with cooking spray. Bake at 400° for 4-5 minutes or until edges are set and tops are cracked. Cool for 2 minutes before removing to wire racks to cool.
9. In a small bowl, combine butter and confectioners' sugar until crumbly. Beat in extract, food coloring if desired and milk. Spread on the bottoms of half of the cookies; top with remaining cookies.

These cute sandwich cookies would be a pretty and popular addition to any holiday goodie tray.